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⤴Unusual rise — FloodRadar+Top 1% rise rate for this gauge.
Height for "Above a height"
Drag the line on the chart, or type a value:mASD
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You'll be notified when this gauge is rising more than 0.10 mASD/hr — a sign of rapidly increasing water levels.
You'll be notified when a new storm-overflow (sewage) discharge starts within ~3 km of this gauge, based on the water companies' near-real-time feeds.
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Not an emergency service — if in danger call 999. Alerts rely on
EA/SEPA data and are best-efforts. Terms
Current Level
0.734 mASD
▬ Steady
24h Max
0.748 mASD
24h Min
0.727 mASD
Typical Range
0.74 - 1.57
mASD
Highest Recorded
1.20 mASD
7 Feb 2014
Since Jan 1996
Current level is 61% of this
🚽Sewage overflows nearby
Recent Water Levels
🌍 floodradar.co.uk
1 day
Prediction V2
Prediction Eris
Nimbus beta
Experimental model fusing soil moisture, river flow, groundwater and catchment
character. Shown with its calibrated 10–90% confidence band. Under evaluation —
not yet promoted, so treat as a second opinion.
Long Term
🌍 floodradar.co.uk
—
Consecutive rainy days0 → 10+
Days Above Normal
This year vs 5-year monthly range
Recent Readings
Rising · +0.5 cm over 6h
24 Aug 00:00▲ +0.1 cm0.734 mASD
23 Aug 23:45▬ steady0.733 mASD
23 Aug 23:30▲ +0.1 cm0.733 mASD
23 Aug 23:15▼ -0.1 cm0.732 mASD
23 Aug 23:00▲ +0.1 cm0.733 mASD
23 Aug 22:45▲ +0.2 cm0.732 mASD
23 Aug 21:30▲ +0.1 cm0.730 mASD
23 Aug 21:15▼ -0.1 cm0.729 mASD
23 Aug 21:00▬ steady0.730 mASD
23 Aug 20:45▲ +0.1 cm0.730 mASD
23 Aug 20:30▬ steady0.729 mASD
23 Aug 20:15▬ steady0.729 mASD
23 Aug 20:00▬ steady0.729 mASD
23 Aug 19:45▬ steady0.729 mASD
23 Aug 19:30▲ +0.1 cm0.729 mASD
23 Aug 19:15▼ -0.1 cm0.728 mASD
23 Aug 19:00▬ steady0.729 mASD
23 Aug 18:45▬ steady0.729 mASD
23 Aug 18:30▬ steady0.729 mASD
23 Aug 18:150.729 mASD
Rainfall & Weather
Loading rainfall and weather data...
Flood history near this gauge
Official Environment Agency warnings issued since 2008 for the 5 flood
areas linked to this gauge (nearest 1.9 km away).
Warnings apply to a whole flood area, not necessarily this exact spot. Years before 2006 aren't covered by the EA's historic record.
See also the Yiewsley flood history.
Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
🚽 Storm overflows on this river
Frequently asked questions
Is the Frays River at Yiewsley flooding today?
The current level is 0.73m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Yiewsley?
Based on the most recent readings, the level is currently steady. The chart above shows the last 7 days of measurements, updated roughly every 15 minutes.
What is a normal level for the Frays River at Yiewsley?
The typical range at this station is 0.74m to 1.57m, based on Environment Agency historical data. Levels above 1.57m are higher than usually seen and may indicate a flood risk.
How often is this river level data updated?
Readings are taken by the Environment Agency gauge roughly every 15 minutes and FloodRadar refreshes its data continuously, so the level shown is normally less than an hour old.
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📮 Flood risk by postcode near this gauge
Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:
